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A_Meal_of_Pain t1_jacas67 wrote

That causes it to switch over to the hot water pipes. But the water that you 1st get out of those pipes is not water that is in the water heater. It is water that has been sitting in the pipes and has gotten to the same temperature as the air around it. Depending on where you are and what time of year it is, that can end up being a lot colder than the "cold" water. Because the water we think of as the cold water is not actually cooled, but just kept in pipes largely underground.

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Murdercorn t1_jacgar6 wrote

But the water has already been running. I’m trying to get it to go from hot to hotter, so I turn off the cold but then it gets colder.

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PM_ME_A_PLANE_TICKET t1_jacikzr wrote

My best guess is you need to replace some stuff. Something's probably halfway broken in your taps.

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